ArmorLine

Artist’s rendering of the USS Zumwalt in action. First in a new class of Navy destroyers, the Zumwalt will use transparent MgAl2O4 deckhouse windows. Credit: US Navy. Two manufacturers are in a bit of an “arms race” to commercialize aluminum oxynitride and magnesium aluminate transparent polycrystalline cubic spinel for defense and other applications. We did a…